Thermalock Lined Top Grain Leather Work Gloves, 660TK 100% Leather / Lining: 100% Polyester with foam Imported Thermalock lined smooth grain pigskin Inset or keystone thumb Gathered elastic at the wrist to help keep the dirt out Full lining - glove within a glove Thermalock lined smooth grain pigskin Inset or keystone thumb Gathered elastic at the wrist to help keep the dirt out Large size Full lining - glove within a glove